386 lines
14 KiB
Diff
386 lines
14 KiB
Diff
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diff --git a/templates/lxc-fedora.in b/templates/lxc-fedora.in
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index 684bb9c..841af16 100644
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--- a/templates/lxc-fedora.in
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+++ b/templates/lxc-fedora.in
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@@ -26,18 +26,69 @@
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#Configurations
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-arch=$(arch)
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+arch=$(uname -m)
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cache_base=@LOCALSTATEDIR@/cache/lxc/fedora/$arch
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default_path=@LXCPATH@
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root_password=root
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# is this fedora?
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-[ -f /etc/fedora-release ] && is_fedora=true
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+# Alow for weird remixes like the Raspberry Pi
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+#
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+# Use the Mitre standard CPE identifier for the release ID if possible...
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+# This may be in /etc/os-release or /etc/system-release-cpe. We
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+# should be able to use EITHER. Give preference to /etc/os-release for now.
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+
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+if [ -e /etc/os-release ]
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+then
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+# This is a shell friendly configuration file. We can just source it.
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+# What we're looking for in here is the ID, VERSION_ID and the CPE_NAME
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+ . /etc/os-release
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+ echo "Host CPE ID from /etc/os-release: ${CPE_NAME}"
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+fi
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+
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+if [ "${CPE_NAME}" = "" -a -e /etc/system-release-cpe ]
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+then
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+ CPE_NAME=$(head -n1 /etc/system-release-cpe)
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+ CPE_URI=$(expr ${CPE_NAME} : '\([^:]*:[^:*]\)')
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+ if [ "${CPE_URI}" != "cpe:/o" ]
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+ then
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+ CPE_NAME=
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+ else
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+ echo "Host CPE ID from /etc/system-release-cpe: ${CPE_NAME}"
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+ # Probably a better way to do this but sill remain posix
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+ # compatible but this works, shrug...
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+ # Must be nice and not introduce convenient bashisms here.
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+ ID=$(expr ${CPE_NAME} : '[^:]*:[^:]*:[^:]*:\([^:]*\)')
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+ VERSION_ID=$(expr ${CPE_NAME} : '[^:]*:[^:]*:[^:]*:[^:]*:\([^:]*\)')
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+ fi
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+fi
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-if [ "$arch" = "i686" ]; then
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- arch=i386
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+if [ ${CPE_NAME} != "" -a ${ID} = "fedora" -a ${VERSION_ID} != "" ]
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+then
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+ fedora_host_ver=${VERSION_ID}
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+ is_fedora=true
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+elif [ -e /etc/redhat-release ]
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+then
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+ # Only if all other methods fail, try to parse the redhat-release file.
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+ fedora_host_ver=$( sed -e '/^Fedora /!d' -e 's/Fedora.*\srelease\s*\([0-9][0-9]*\)\s.*/\1/' < /etc/redhat-release )
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+ if [ "$fedora_host_ver" != "" ]
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+ then
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+ is_fedora=true
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+ fi
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fi
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+# Map a few architectures to their generic Fedora repository archs.
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+# The two ARM archs are a bit of a guesstimate for the v5 and v6
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+# archs. V6 should have hardware floating point (Rasberry Pi).
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+# The "arm" arch is safer (no hardware floating point). So
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+# there may be cases where we "get it wrong" for some v6 other
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+# than RPi.
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+case "$arch" in
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+i686) arch=i386 ;;
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+armv3l|armv4l|armv5l) arch=arm ;;
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+armv6l|armv7l|armv8l) arch=armhfp ;;
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+esac
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+
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configure_fedora()
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{
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@@ -50,7 +101,7 @@ configure_fedora()
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DEVICE=eth0
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BOOTPROTO=dhcp
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ONBOOT=yes
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-HOSTNAME=${name}
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+HOSTNAME=${utsname}
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NM_CONTROLLED=no
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TYPE=Ethernet
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MTU=${MTU}
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@@ -59,12 +110,18 @@ EOF
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# set the hostname
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cat <<EOF > ${rootfs_path}/etc/sysconfig/network
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NETWORKING=yes
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-HOSTNAME=${name}
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+HOSTNAME=${utsname}
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EOF
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+ # set hostname on systemd Fedora systems
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+ if [ $release -gt 14 ]; then
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+ echo "${utsname}" > ${rootfs_path}/etc/hostname
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+ fi
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+
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# set minimal hosts
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cat <<EOF > $rootfs_path/etc/hosts
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-127.0.0.1 localhost $name
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+127.0.0.1 localhost.localdomain localhost $utsname
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+::1 localhost6.localdomain6 localhost6
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EOF
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dev_path="${rootfs_path}/dev"
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@@ -118,10 +175,27 @@ configure_fedora_systemd()
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{
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unlink ${rootfs_path}/etc/systemd/system/default.target
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touch ${rootfs_path}/etc/fstab
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- chroot ${rootfs_path} ln -s /dev/null //etc/systemd/system/udev.service
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+ chroot ${rootfs_path} ln -s /dev/null /etc/systemd/system/udev.service
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chroot ${rootfs_path} ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target
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#dependency on a device unit fails it specially that we disabled udev
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- sed -i 's/After=dev-%i.device/After=/' ${rootfs_path}/lib/systemd/system/getty\@.service
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+ # sed -i 's/After=dev-%i.device/After=/' ${rootfs_path}/lib/systemd/system/getty\@.service
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+ #
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+ # Actually, the After=dev-%i.device line does not appear in the
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+ # Fedora 17 or Fedora 18 systemd getty\@.service file. It may be left
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+ # over from an earlier version and it's not doing any harm. We do need
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+ # to disable the "ConditionalPathExists=/dev/tty0" line or no gettys are
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+ # started on the ttys in the container. Lets do it in an override copy of
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+ # the service so it can still pass rpm verifies and not be automatically
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+ # updated by a new systemd version. -- mhw /\/\|=mhw=|\/\/
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+
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+ sed -e 's/^ConditionPathExists=/# ConditionPathExists=/' \
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+ -e 's/After=dev-%i.device/After=/' \
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+ < ${rootfs_path}/lib/systemd/system/getty\@.service \
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+ > ${rootfs_path}/etc/systemd/system/getty\@.service
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+ # Setup getty service on the 4 ttys we are going to allow in the
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+ # default config. Number should match lxc.tty
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+ ( cd ${rootfs_path}/etc/systemd/system/getty.target.wants
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+ for i in 1 2 3 4 ; do ln -sf ../getty\@.service getty@tty${i}.service; done )
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}
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download_fedora()
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@@ -142,27 +216,53 @@ download_fedora()
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MIRRORLIST_URL="http://mirrors.fedoraproject.org/mirrorlist?repo=fedora-$release&arch=$arch"
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DOWNLOAD_OK=no
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- for trynumber in 1 2 3; do
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+
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+ # We're splitting the old loop into two loops plus a directory retrival.
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+ # First loop... Try and retrive a mirror list with retries and a slight
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+ # delay between attempts...
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+ for trynumber in 1 2 3 4; do
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[ $trynumber != 1 ] && echo "Trying again..."
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- MIRROR_URL=$(curl -s -S -f "$MIRRORLIST_URL" | head -n2 | tail -n1)
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- if [ $? -ne 0 ] || [ -z "$MIRROR_URL" ]; then
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- echo "Failed to get a mirror"
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- continue
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- fi
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+ # This code is mildly "brittle" in that it assumes a certain
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+ # page format and parsing HTML. I've done worse. :-P
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+ MIRROR_URLS=$(curl -s -S -f "$MIRRORLIST_URL" | sed -e '/^http:/!d' -e '2,6!d')
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+ if [ $? -eq 0 ] && [ -n "$MIRROR_URLS" ]
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+ then
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+ break
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+ fi
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+
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+ echo "Failed to get a mirror on try $trynumber"
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+ sleep 3
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+ done
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+
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+ # This will fall through if we didn't get any URLS above
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+ for MIRROR_URL in ${MIRROR_URLS}
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+ do
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if [ "$release" -gt "16" ]; then
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- RELEASE_URL="$MIRROR_URL/Packages/f/fedora-release-$release-1.noarch.rpm"
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+ RELEASE_URL="$MIRROR_URL/Packages/f"
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else
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- RELEASE_URL="$MIRROR_URL/Packages/fedora-release-$release-1.noarch.rpm"
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+ RELEASE_URL="$MIRROR_URL/Packages/"
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fi
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- echo "Fetching from $RELEASE_URL"
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- curl -f "$RELEASE_URL" > $INSTALL_ROOT/fedora-release-$release.noarch.rpm
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+
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+ echo "Fetching rpm name from $RELEASE_URL..."
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+ # This code is mildly "brittle" in that it assumes a certain directory
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+ # page format and parsing HTML. I've done worse. :-P
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+ RELEASE_RPM=$(curl -L -f "$RELEASE_URL" | sed -e "/fedora-release-${release}-/!d" -e 's/.*<a href=\"//' -e 's/\">.*//' )
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+ if [ $? -ne 0 -o "${RELEASE_RPM}" = "" ]; then
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+ echo "Failed to identify fedora release rpm."
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+ continue
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+ fi
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+
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+ echo "Fetching fedora release rpm from ${RELEASE_URL}/${RELEASE_RPM}......"
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+ curl -L -f "${RELEASE_URL}/${RELEASE_RPM}" > ${INSTALL_ROOT}/${RELEASE_RPM}
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if [ $? -ne 0 ]; then
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- echo "Failed to download fedora release rpm"
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+ echo "Failed to download fedora release rpm ${RELEASE_RPM}."
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continue
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fi
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+
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DOWNLOAD_OK=yes
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break
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done
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+
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if [ $DOWNLOAD_OK != yes ]; then
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echo "Aborting"
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return 1
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@@ -170,7 +270,7 @@ download_fedora()
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mkdir -p $INSTALL_ROOT/var/lib/rpm
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rpm --root $INSTALL_ROOT --initdb
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- rpm --root $INSTALL_ROOT -ivh $INSTALL_ROOT/fedora-release-$release.noarch.rpm
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+ rpm --root $INSTALL_ROOT -ivh ${INSTALL_ROOT}/${RELEASE_RPM}
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$YUM install $PKG_LIST
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if [ $? -ne 0 ]; then
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@@ -248,10 +348,13 @@ copy_configuration()
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mkdir -p $config_path
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grep -q "^lxc.rootfs" $config_path/config 2>/dev/null || echo "lxc.rootfs = $rootfs_path" >> $config_path/config
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cat <<EOF >> $config_path/config
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-lxc.utsname = $name
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+lxc.utsname = $utsname
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lxc.tty = 4
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lxc.pts = 1024
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lxc.mount = $config_path/fstab
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+lxc.cap.drop = sys_module mac_admin mac_override sys_time
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+
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+lxc.autodev = $auto_dev
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# When using LXC with apparmor, uncomment the next line to run unconfined:
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#lxc.aa_profile = unconfined
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@@ -272,7 +375,7 @@ lxc.cgroup.devices.allow = c 1:8 rwm
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lxc.cgroup.devices.allow = c 136:* rwm
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lxc.cgroup.devices.allow = c 5:2 rwm
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# rtc
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-lxc.cgroup.devices.allow = c 254:0 rwm
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+lxc.cgroup.devices.allow = c 254:0 rm
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EOF
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cat <<EOF > $config_path/fstab
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@@ -313,21 +416,23 @@ usage()
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cat <<EOF
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usage:
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$1 -n|--name=<container_name>
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- [-p|--path=<path>] [-c|--clean] [-R|--release=<Fedora_release>] [-A|--arch=<arch of the container>]
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+ [-p|--path=<path>] [-c|--clean] [-R|--release=<Fedora_release>] [--fqdn=<network name of container>] [-A|--arch=<arch of the container>]
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[-h|--help]
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Mandatory args:
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-n,--name container name, used to as an identifier for that container from now on
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Optional args:
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- -p,--path path to where the container rootfs will be created, defaults to @LXCPATH@. The container config will go under @LXCPATH@ in that case
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+ -p,--path path to where the container will be created, defaults to @LXCPATH@. The container config will go under @LXCPATH@ in that case
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+ --rootfs path for actual rootfs.
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-c,--clean clean the cache
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- -R,--release Fedora release for the new container. if the host is Fedora, then it will defaultto the host's release.
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+ -R,--release Fedora release for the new container. if the host is Fedora, then it will default to the host's release.
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+ --fqdn fully qualified domain name (FQDN) for DNS and system naming
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-A,--arch NOT USED YET. Define what arch the container will be [i686,x86_64]
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-h,--help print this help
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EOF
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return 0
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}
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-options=$(getopt -o hp:n:cR: -l help,path:,name:,clean,release: -- "$@")
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+options=$(getopt -o hp:n:cR: -l help,path:,rootfs:,name:,clean,release:,fqdn: -- "$@")
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if [ $? -ne 0 ]; then
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usage $(basename $0)
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exit 1
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@@ -339,9 +444,11 @@ do
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case "$1" in
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-h|--help) usage $0 && exit 0;;
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-p|--path) path=$2; shift 2;;
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+ --rootfs) rootfs=$2; shift 2;;
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-n|--name) name=$2; shift 2;;
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-c|--clean) clean=$2; shift 2;;
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-R|--release) release=$2; shift 2;;
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+ --fqdn) utsname=$2; shift 2;;
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--) shift 1; break ;;
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*) break ;;
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esac
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@@ -352,6 +459,29 @@ if [ ! -z "$clean" -a -z "$path" ]; then
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exit 0
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fi
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+if [ -z "${utsname}" ]; then
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+ utsname=${name}
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+fi
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+
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+# This follows a standard "resolver" convention that an FQDN must have
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+# at least two dots or it is considered a local relative host name.
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+# If it doesn't, append the dns domain name of the host system.
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+#
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+# This changes one significant behavior when running
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+# "lxc_create -n Container_Name" without using the
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+# --fqdn option.
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+#
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+# Old behavior:
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+# utsname and hostname = Container_Name
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+# New behavior:
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+# utsname and hostname = Container_Name.Domain_Name
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+
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+if [ $(expr "$utsname" : '.*\..*\.') = 0 ]; then
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+ if [ -n "$(dnsdomainname)" ]; then
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+ utsname=${utsname}.$(dnsdomainname)
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+ fi
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+fi
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+
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needed_pkgs=""
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type yum >/dev/null 2>&1
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if [ $? -ne 0 ]; then
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@@ -365,33 +495,43 @@ fi
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|
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if [ -n "$needed_pkgs" ]; then
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echo "Missing commands: $needed_pkgs"
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- echo "Please install these using \"sudo apt-get install $needed_pkgs\""
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+ echo "Please install these using \"sudo yum install $needed_pkgs\""
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exit 1
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fi
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if [ -z "$path" ]; then
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- path=$default_path
|
||
|
|
+ path=$default_path/$name
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ -z "$release" ]; then
|
||
|
|
- if [ "$is_fedora" ]; then
|
||
|
|
- release=$(cat /etc/fedora-release |awk '/^Fedora/ {print $3}')
|
||
|
|
+ if [ "$is_fedora" -a "$fedora_host_ver" ]; then
|
||
|
|
+ release=$fedora_host_ver
|
||
|
|
else
|
||
|
|
- echo "This is not a fedora host and release missing, defaulting to 14. use -R|--release to specify release"
|
||
|
|
- release=14
|
||
|
|
+ echo "This is not a fedora host and release missing, defaulting to 18. use -R|--release to specify release"
|
||
|
|
+ release=18
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
+# Fedora 15 and above run systemd. We need autodev enabled to keep
|
||
|
|
+# systemd from causing problems.
|
||
|
|
+if [ $release -gt 14 ]; then
|
||
|
|
+ auto_dev="1"
|
||
|
|
+else
|
||
|
|
+ auto_dev="0"
|
||
|
|
+fi
|
||
|
|
+
|
||
|
|
if [ "$(id -u)" != "0" ]; then
|
||
|
|
echo "This script should be run as 'root'"
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
|
||
|
|
-rootfs_path=$path/$name/rootfs
|
||
|
|
-# check for 'lxc.rootfs' passed in through default config by lxc-create
|
||
|
|
-if grep -q '^lxc.rootfs' $path/config 2>/dev/null ; then
|
||
|
|
- rootfs_path=`grep 'lxc.rootfs =' $path/config | awk -F= '{ print $2 }'`
|
||
|
|
+if [ -z "$rootfs_path" ]; then
|
||
|
|
+ rootfs_path=$path/rootfs
|
||
|
|
+ # check for 'lxc.rootfs' passed in through default config by lxc-create
|
||
|
|
+ if grep -q '^lxc.rootfs' $path/config 2>/dev/null ; then
|
||
|
|
+ rootfs_path=`grep 'lxc.rootfs =' $path/config | awk -F= '{ print $2 }'`
|
||
|
|
+ fi
|
||
|
|
fi
|
||
|
|
config_path=$default_path/$name
|
||
|
|
cache=$cache_base/$release
|
||
|
|
@@ -427,13 +567,20 @@ if [ $? -ne 0 ]; then
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
-type /bin/systemd >/dev/null 2>&1
|
||
|
|
-if [ $? -ne 0 ]; then
|
||
|
|
- configure_fedora_init
|
||
|
|
-else
|
||
|
|
+# If the systemd configuration directory exists - set it up for what we need.
|
||
|
|
+if [ -d ${rootfs_path}/etc/systemd/system ]
|
||
|
|
+then
|
||
|
|
configure_fedora_systemd
|
||
|
|
fi
|
||
|
|
|
||
|
|
+# This configuration (rc.sysinit) is not inconsistent with the systemd stuff
|
||
|
|
+# above and may actually coexist on some upgraded systems. Let's just make
|
||
|
|
+# sure that, if it exists, we update this file, even if it's not used...
|
||
|
|
+if [ -f ${rootfs_path}/etc/rc.sysinit ]
|
||
|
|
+then
|
||
|
|
+ configure_fedora_init
|
||
|
|
+fi
|
||
|
|
+
|
||
|
|
if [ ! -z $clean ]; then
|
||
|
|
clean || exit 1
|
||
|
|
exit 0
|